| Acronym | Meaning |
| RW | Response Word |
| STADU | System Termination And Display Unit |
| SOH | Start Of Heading |
| PSP | Payload Signal Processor |
| TEP | Test Evaluation Plan |
| NSR1 | First Coell;ptic Maneuver |
| MDCA | Main Distribution Control Assembly |
| FCPS | Fuel Cell Power System (Subsystem) |
| CARR | Customer Acceptance Readiness Review |
| EHOT | External Hydrogen/Oxygen Tank |